ABB DCS880 Drive
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Sep 30, 2024 11:53 am
A780 warning in ABB DCS880 drive indicates Motor stall. This means the motor is operating in the stall region because of excessive load or insufficient motor power.
- Check the motor load/mechanics (e.g. brake).
- Check the drive ratings for correct field current.
- Check the settings of 31.24 Stall function, 31.25 Stall torque level, 31.26 Stall speed level and 31.28 Stall time.
- Check the settings for current and torque limits in group 30 Control limits.